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  Heterotic and bosonic string amplitudes via field theory

Azevedo, T., Chiodarolia, M., Johansson, H., & Schlotterer, O. (2018). Heterotic and bosonic string amplitudes via field theory. Journal of High Energy Physics, 2018(10): 12. doi:10.1007/JHEP10(2018)012.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-1A54-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-E820-4
Genre: Journal Article

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 Creators:
Azevedo, Thales, Author
Chiodarolia, Marco1, Author              
Johansson, Henrik, Author
Schlotterer, Oliver2, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              
2Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: Previous work has shown that massless tree amplitudes of the type I and IIA/B superstrings can be dramatically simplified by expressing them as double copies between field-theory amplitudes and scalar disk/sphere integrals, the latter containing all the $\alpha'$-corrections. In this work, we pinpoint similar double-copy constructions for the heterotic and bosonic string theories using an $\alpha'$-dependent field theory and the same disk/sphere integrals. Surprisingly, this field theory, built out of dimension-six operators such as $(D_\mu F^{\mu \nu})^2$, has previously appeared in the double-copy construction of conformal supergravity. We elaborate on the $\alpha' \rightarrow \infty$ limit in this picture and derive new amplitude relations for various gauge-gravity theories from those of the heterotic string.

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 Dates: 2018-03-142018
 Publication Status: Published in print
 Pages: 38+5 pages
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 Rev. Method: -
 Identifiers: arXiv: 1803.05452
URI: http://arxiv.org/abs/1803.05452
DOI: 10.1007/JHEP10(2018)012
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2018 (10) Sequence Number: 12 Start / End Page: - Identifier: -